godot/scene/animation/animation_blend_tree.h
2024-03-20 22:52:26 +09:00

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/**************************************************************************/
/* animation_blend_tree.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef ANIMATION_BLEND_TREE_H
#define ANIMATION_BLEND_TREE_H
#include "scene/animation/animation_tree.h"
class AnimationNodeAnimation : public AnimationRootNode {
GDCLASS(AnimationNodeAnimation, AnimationRootNode);
StringName animation;
bool use_custom_timeline = false;
double timeline_length = 1.0;
Animation::LoopMode loop_mode = Animation::LOOP_NONE;
bool stretch_time_scale = true;
double start_offset = 0.0;
uint64_t last_version = 0;
bool skip = false;
public:
enum PlayMode {
PLAY_MODE_FORWARD,
PLAY_MODE_BACKWARD
};
void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual NodeTimeInfo get_node_time_info() const override; // Wrapper of get_parameter().
static Vector<String> (*get_editable_animation_list)();
virtual String get_caption() const override;
virtual NodeTimeInfo process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
void set_animation(const StringName &p_name);
StringName get_animation() const;
void set_play_mode(PlayMode p_play_mode);
PlayMode get_play_mode() const;
void set_backward(bool p_backward);
bool is_backward() const;
void set_use_custom_timeline(bool p_use_custom_timeline);
bool is_using_custom_timeline() const;
void set_timeline_length(double p_length);
double get_timeline_length() const;
void set_stretch_time_scale(bool p_strech_time_scale);
bool is_stretching_time_scale() const;
void set_start_offset(double p_offset);
double get_start_offset() const;
void set_loop_mode(Animation::LoopMode p_loop_mode);
Animation::LoopMode get_loop_mode() const;
AnimationNodeAnimation();
protected:
void _validate_property(PropertyInfo &p_property) const;
static void _bind_methods();
private:
PlayMode play_mode = PLAY_MODE_FORWARD;
bool backward = false; // Only used by pingpong animation.
};
VARIANT_ENUM_CAST(AnimationNodeAnimation::PlayMode)
class AnimationNodeSync : public AnimationNode {
GDCLASS(AnimationNodeSync, AnimationNode);
protected:
bool sync = false;
static void _bind_methods();
public:
void set_use_sync(bool p_sync);
bool is_using_sync() const;
AnimationNodeSync();
};
class AnimationNodeOneShot : public AnimationNodeSync {
GDCLASS(AnimationNodeOneShot, AnimationNodeSync);
public:
enum OneShotRequest {
ONE_SHOT_REQUEST_NONE,
ONE_SHOT_REQUEST_FIRE,
ONE_SHOT_REQUEST_ABORT,
ONE_SHOT_REQUEST_FADE_OUT,
};
enum MixMode {
MIX_MODE_BLEND,
MIX_MODE_ADD
};
private:
double fade_in = 0.0;
Ref<Curve> fade_in_curve;
double fade_out = 0.0;
Ref<Curve> fade_out_curve;
bool auto_restart = false;
double auto_restart_delay = 1.0;
double auto_restart_random_delay = 0.0;
MixMode mix = MIX_MODE_BLEND;
bool break_loop_at_end = false;
StringName request = PNAME("request");
StringName active = PNAME("active");
StringName internal_active = PNAME("internal_active");
StringName fade_in_remaining = "fade_in_remaining";
StringName fade_out_remaining = "fade_out_remaining";
StringName time_to_restart = "time_to_restart";
protected:
static void _bind_methods();
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual bool is_parameter_read_only(const StringName &p_parameter) const override;
virtual String get_caption() const override;
void set_fade_in_time(double p_time);
double get_fade_in_time() const;
void set_fade_in_curve(const Ref<Curve> &p_curve);
Ref<Curve> get_fade_in_curve() const;
void set_fade_out_time(double p_time);
double get_fade_out_time() const;
void set_fade_out_curve(const Ref<Curve> &p_curve);
Ref<Curve> get_fade_out_curve() const;
void set_auto_restart_enabled(bool p_enabled);
void set_auto_restart_delay(double p_time);
void set_auto_restart_random_delay(double p_time);
bool is_auto_restart_enabled() const;
double get_auto_restart_delay() const;
double get_auto_restart_random_delay() const;
void set_mix_mode(MixMode p_mix);
MixMode get_mix_mode() const;
void set_break_loop_at_end(bool p_enable);
bool is_loop_broken_at_end() const;
virtual bool has_filter() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeOneShot();
};
VARIANT_ENUM_CAST(AnimationNodeOneShot::OneShotRequest)
VARIANT_ENUM_CAST(AnimationNodeOneShot::MixMode)
class AnimationNodeAdd2 : public AnimationNodeSync {
GDCLASS(AnimationNodeAdd2, AnimationNodeSync);
StringName add_amount = PNAME("add_amount");
protected:
static void _bind_methods();
public:
void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual bool has_filter() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeAdd2();
};
class AnimationNodeAdd3 : public AnimationNodeSync {
GDCLASS(AnimationNodeAdd3, AnimationNodeSync);
StringName add_amount = PNAME("add_amount");
protected:
static void _bind_methods();
public:
void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual bool has_filter() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeAdd3();
};
class AnimationNodeBlend2 : public AnimationNodeSync {
GDCLASS(AnimationNodeBlend2, AnimationNodeSync);
StringName blend_amount = PNAME("blend_amount");
protected:
static void _bind_methods();
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
virtual bool has_filter() const override;
AnimationNodeBlend2();
};
class AnimationNodeBlend3 : public AnimationNodeSync {
GDCLASS(AnimationNodeBlend3, AnimationNodeSync);
StringName blend_amount = PNAME("blend_amount");
protected:
static void _bind_methods();
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeBlend3();
};
class AnimationNodeSub2 : public AnimationNodeSync {
GDCLASS(AnimationNodeSub2, AnimationNodeSync);
StringName sub_amount = PNAME("sub_amount");
protected:
static void _bind_methods();
public:
void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual bool has_filter() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeSub2();
};
class AnimationNodeTimeScale : public AnimationNode {
GDCLASS(AnimationNodeTimeScale, AnimationNode);
StringName scale = PNAME("scale");
protected:
static void _bind_methods();
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeTimeScale();
};
class AnimationNodeTimeSeek : public AnimationNode {
GDCLASS(AnimationNodeTimeSeek, AnimationNode);
StringName seek_pos_request = PNAME("seek_request");
protected:
static void _bind_methods();
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual String get_caption() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeTimeSeek();
};
class AnimationNodeTransition : public AnimationNodeSync {
GDCLASS(AnimationNodeTransition, AnimationNodeSync);
struct InputData {
bool auto_advance = false;
bool break_loop_at_end = false;
bool reset = true;
};
Vector<InputData> input_data;
StringName prev_xfading = "prev_xfading";
StringName prev_index = "prev_index";
StringName current_index = PNAME("current_index");
StringName current_state = PNAME("current_state");
StringName transition_request = PNAME("transition_request");
StringName prev_frame_current = "pf_current";
StringName prev_frame_current_idx = "pf_current_idx";
double xfade_time = 0.0;
Ref<Curve> xfade_curve;
bool allow_transition_to_self = false;
bool pending_update = false;
protected:
bool _get(const StringName &p_path, Variant &r_ret) const;
bool _set(const StringName &p_path, const Variant &p_value);
static void _bind_methods();
void _get_property_list(List<PropertyInfo> *p_list) const;
public:
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual bool is_parameter_read_only(const StringName &p_parameter) const override;
virtual String get_caption() const override;
void set_input_count(int p_inputs);
virtual bool add_input(const String &p_name) override;
virtual void remove_input(int p_index) override;
virtual bool set_input_name(int p_input, const String &p_name) override;
void set_input_as_auto_advance(int p_input, bool p_enable);
bool is_input_set_as_auto_advance(int p_input) const;
void set_input_break_loop_at_end(int p_input, bool p_enable);
bool is_input_loop_broken_at_end(int p_input) const;
void set_input_reset(int p_input, bool p_enable);
bool is_input_reset(int p_input) const;
void set_xfade_time(double p_fade);
double get_xfade_time() const;
void set_xfade_curve(const Ref<Curve> &p_curve);
Ref<Curve> get_xfade_curve() const;
void set_allow_transition_to_self(bool p_enable);
bool is_allow_transition_to_self() const;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeTransition();
};
class AnimationNodeOutput : public AnimationNode {
GDCLASS(AnimationNodeOutput, AnimationNode);
public:
virtual String get_caption() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
AnimationNodeOutput();
};
/////
class AnimationNodeBlendTree : public AnimationRootNode {
GDCLASS(AnimationNodeBlendTree, AnimationRootNode);
struct Node {
Ref<AnimationNode> node;
Vector2 position;
Vector<StringName> connections;
};
RBMap<StringName, Node, StringName::AlphCompare> nodes;
Vector2 graph_offset;
void _node_changed(const StringName &p_node);
void _initialize_node_tree();
protected:
static void _bind_methods();
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
virtual void _tree_changed() override;
virtual void _animation_node_renamed(const ObjectID &p_oid, const String &p_old_name, const String &p_new_name) override;
virtual void _animation_node_removed(const ObjectID &p_oid, const StringName &p_node) override;
virtual void reset_state() override;
public:
enum ConnectionError {
CONNECTION_OK,
CONNECTION_ERROR_NO_INPUT,
CONNECTION_ERROR_NO_INPUT_INDEX,
CONNECTION_ERROR_NO_OUTPUT,
CONNECTION_ERROR_SAME_NODE,
CONNECTION_ERROR_CONNECTION_EXISTS,
//no need to check for cycles due to tree topology
};
void add_node(const StringName &p_name, Ref<AnimationNode> p_node, const Vector2 &p_position = Vector2());
Ref<AnimationNode> get_node(const StringName &p_name) const;
void remove_node(const StringName &p_name);
void rename_node(const StringName &p_name, const StringName &p_new_name);
bool has_node(const StringName &p_name) const;
StringName get_node_name(const Ref<AnimationNode> &p_node) const;
Vector<StringName> get_node_connection_array(const StringName &p_name) const;
void set_node_position(const StringName &p_node, const Vector2 &p_position);
Vector2 get_node_position(const StringName &p_node) const;
virtual void get_child_nodes(List<ChildNode> *r_child_nodes) override;
void connect_node(const StringName &p_input_node, int p_input_index, const StringName &p_output_node);
void disconnect_node(const StringName &p_node, int p_input_index);
struct NodeConnection {
StringName input_node;
int input_index = 0;
StringName output_node;
};
ConnectionError can_connect_node(const StringName &p_input_node, int p_input_index, const StringName &p_output_node) const;
void get_node_connections(List<NodeConnection> *r_connections) const;
virtual String get_caption() const override;
virtual NodeTimeInfo _process(const AnimationMixer::PlaybackInfo p_playback_info, bool p_test_only = false) override;
void get_node_list(List<StringName> *r_list);
void set_graph_offset(const Vector2 &p_graph_offset);
Vector2 get_graph_offset() const;
virtual Ref<AnimationNode> get_child_by_name(const StringName &p_name) const override;
#ifdef TOOLS_ENABLED
virtual void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const override;
#endif
AnimationNodeBlendTree();
~AnimationNodeBlendTree();
};
VARIANT_ENUM_CAST(AnimationNodeBlendTree::ConnectionError)
#endif // ANIMATION_BLEND_TREE_H